[Stoves] Lignite in Mississippi

[The Bootstrapper]

When I first heard about the project I questioned the wisdom of using the lignite found in our area of Mississippi (about 15 miles from the plant location). I’ve never heard of anyone trying to burn this lignite. Even in a forest fire the “outcroppings” of lignite don’t burn. 
 
The byproducts of the process are said to be sulfuric acid and CO2. They say they already have customers that will buy both byproducts. The CO2 will go into a pipeline for transport about 40 miles South to the oil fields.
 
More detailed information here:
http://www.netl.doe.gov/technologies/coalpower/ewr/pubs/CO2Handbook/CO2-Capture-Tech-Update-2011_App-A.pdf
 
William H.
 



From: crispinpigott at gmail.com
To: stoves at lists.bioenergylists.org
Date: Sun, 18 Sep 2011 23:38:30 -0400
Subject: Re: [Stoves] Lignite in Mississippi








Many thanks William
 
They note:
“With TRIG™, the IGCC facility in Kemper County will turn Mississippi lignite into gas while cleaning emissions of sulfur dioxide, nitrogen oxides and mercury to near natural-gas levels. It also will produce 65 percent less carbon dioxide emissions than the current pulverized coal plants.”

 
And I note that they are in fact using a coal gasification process and calculating their CO2 emissions on a kW generated basis. It is a far better system efficiency than a single step process but it certainly comes at a cost. There was initial talk about putting one into Ulaanbaatar as they 520 MW plant is getting close to capacity. It is pretty expensive.
 
The inherent emissions of mercury etc are already removable. I note they are talking at Southern of carbon capture. Perhaps someone will pay them to do that too.
 
Regards
Crispin
 
++++++=
 
Crispin,
 
This plant is a scaled up version of an existing process.  More info on the Lignite plant at:
http://www.mississippipower.com/kemper/TRIGTechnology.asp
 
Additional information Links on this site...
http://sequestration.mit.edu/tools/projects/kemper.html
 
William Hatcher
 




From: crispinpigott at gmail.com
To: stoves at lists.bioenergylists.org
Date: Wed, 14 Sep 2011 14:56:31 -0400
Subject: [Stoves] Lignite in Mississippi

Dear Friends
 
Energy Company Southern reports they have patented and licensed a lignite burning power plant design that ‘burns cleaner’ than natural gas. It has been licensed to China. It was developed for a Mississippi-based coal deposit. The Boss man (CNBC interview) did not define ‘cleaner’.
 
My suspicion is that it is a fuel composition-related achievement. The H2 content of the fuel must be high. It also must be a statement conditioned on the combustion devices being defined in order to make the comparison.
 
I am happy to hear that they have done at a large scale what we have done on a micro scale. I am willing to bet it is a combined cycle gasification mode power plant. The increased efficiency reduces the emissions per kW output.
 
Regards
Crispin
 

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